<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0">
		<title></title>
		<link rel="stylesheet" href="./Bootstrap4.6.1/css/bootstrap.css">
		<!-- 先引入jquery文件，在引入bootstrap的js文件 -->
		<script src="./Bootstrap4.6.1/js/jquery.js"></script>
		<script src="./Bootstrap4.6.1/js/bootstrap.bundle.js"></script>
	</head>
	<body>
		<div class="container">
			<div class="row">
				<!-- 一行12列  一行3列  每列占多数？ -->
				<div class="col-lg-3 col-md-4 col-6">  
					<img src="./img/2.jpg" alt="">
				</div>
				<div class="col-lg-3 col-md-4 col-6">
					<img src="./img/3.jpg" alt="">
				</div>
				<div class="col-lg-3 col-md-4 col-6">
					<img src="./img/4.jpg" alt="">
				</div>
				<div class="col-lg-3 col-md-4 col-6">
					<img src="./img/2.jpg" alt="">
				</div>
				<div class="col-lg-3 col-md-4 col-6">
					<img src="./img/3.jpg" alt="">
				</div>
				<div class="col-lg-3 col-md-4 col-6">
					<img src="./img/4.jpg" alt="">
				</div>
			</div>
		</div>
	</body>
</html>